_cfgHandleAbsentAsNull: enabling means that `Optional.empty()` values
are handled like Java nulls (wrt filtering on serialization); disabling that
they are only treated as "empty" values, but not like native Java nulls.DoubleStream serializerDurations.Durations.seconds as long and int
values, passing them to the given converter.IOExceptionInstants, OffsetDateTime, and ZonedDateTimes.Instants, OffsetDateTime, and ZonedDateTimes.Instant.IntStream serializerjava.time objects with the Jackson core.BeanSerializerModifier needed to sneak in handler to exclude "absent"
optional values iff handling of "absent as nulls" is enabled.JavaTimeModule since Jackson 2.7, see above for
details on differences in the default configuration.null keys are needed to be serialized in a Map with Java 8 temporal keys.java.time types that cannot be represented
with numbers and that have parse functions that can take Strings,
and where format is not configurable.LocalDates.LocalDates.LocalDateTimes.LocalDateTimes.LocalTimes.LocalTimes.LongStream serializerMonthDays.MonthDays.OffsetTimes.OffsetTimes.IOException runtime wrapperYears.YearMonths.YearMonths.Years.JSR310ModuleJsonFormat.Feature.ADJUST_DATES_TO_CONTEXT_TIME_ZONEJsonFormat.Feature.WRITE_DATES_WITH_ZONE_IDCopyright © 2025 FasterXML. All rights reserved.